package com.qingcheng.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.qingcheng.service.goods.SkuSearchService;
import com.qingcheng.util.WebUtil;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;

import java.util.Map;

@Controller
public class SearchController {
    @Reference
    private SkuSearchService skuSearchService;

    @GetMapping("/search")
    public String search(Model model, @RequestParam Map<String, String> searchMap) throws Exception {
        //字符集处理
        searchMap = WebUtil.convertCharsetToUTF8(searchMap);

        //如果没有页码,默认为1
        if (searchMap.get("pageNo") == null) {
            searchMap.put("pageNo", "1");
        }
        //页面传递给后端 两个参数 sort:排序字段 sortOrder 排序规则(升序/降序)
        if (searchMap.get("sort")==null){//排序字段
            searchMap.put("sort","");
        }
        if (searchMap.get("sortOrder")==null){//排序规则
            searchMap.put("sortOrder","DESC");
        }
        // 远程调用接口
        Map result = skuSearchService.search(searchMap);
        model.addAttribute("result", result);
        //通过search 的数据来渲染模板  search.html
        //url 当前访问的url地址  localhost:9102/search.do?  http://localhost:9102/search.do?keywords=华为&category=华为
        //url处理
        StringBuffer url = new StringBuffer("/search.do?");
        for (String key : searchMap.keySet()) {
            url.append("&" + key + "=" + searchMap.get(key));
        }
        model.addAttribute("url", url);
        model.addAttribute("searchMap", searchMap);
        //页码
        int pageNo = Integer.parseInt(searchMap.get("pageNo"));
        model.addAttribute("pageNo", pageNo);
        Long totalPages = (Long) result.get("totalPages");//得到总页数
        int startPage=1;//开始页码
        int endPage=totalPages.intValue();//截止代码
        if (totalPages>5){
            startPage=pageNo-2;//当前页-2
            if (startPage<1){
                startPage=1;
            }
            endPage=startPage+4;
        }


        model.addAttribute("startPage",startPage);
        model.addAttribute("endPage",endPage);

        return "search";
    }

}
